Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5113c54db87439711a18757655b783a240e7fc130b9428aa5d7686b132fc9ead' 
  AND token = '/16Fyj5UZZivb/KyLW81mBmy424qGzdIDLr9JN1xEyk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}